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Square D KC341751021 - Molded Case Circuit Breaker 175A 480V 3-Pole

Square D
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Square D KC341751021 is a molded case circuit breaker from the I-Line family, designed for overcurrent protection in industrial power distribution systems. It provides thermal-magnetic protection with LI (Long-Time and Instantaneous) functions, rated for 480V AC, 175A, and 65kA interrupting capacity at 480V, operating on a 3-phase system. This 3-pole unit features an I-Line style plug-in connection and weighs 13 lb, and is complete with a 120Vac shunt trip for remote tripping capability. It complies with industry standards for molded case circuit breakers, ensuring reliable performance in demanding environments. Typical applications include protecting feeders and branch circuits in commercial and industrial switchboards, panelboards, and motor control centers.

Key Features & Specifications
  • Type: Molded Case, I-Line Family, KC Type
  • Voltage Rating: 480V AC
  • Current Rating: 175A
  • Dimensions: Not specified
  • Standards: Not specified
  • Applications: Industrial power distribution, feeder and branch circuit protection
  • Switch Type: Circuit Breaker
  • Configuration: 3-Pole
  • Coil Voltage Maximum: 120Vac (shunt trip)
  • Temp Rating: Not specified
  • Shipping Dimensions: Not specified
  • Phase: 3
  • Voltage: 480V
  • Amperage: 175A
  • AIC rating: 65kA@480V
  • Connection: I-Line Style Plug-In
  • Poles: 3
  • Protection: Thermal Magnetic
  • Functions: LI - Long-Time and Instantaneous
  • Frame Size: Not specified
  • Trip Type: Thermal Magnetic
  • Panel Type: Not specified
  • Breaker Type: Molded Case
  • Control Voltage Minimum: Not specified
  • Control Voltage Maximum: 120Vac (shunt trip)
  • MCM Size: Not specified
  • Metal Type: Not specified
  • Panel Style: Not specified
  • Bus Type: Not specified
  • Fuse Class: Not specified
  • Insulation Temperature: Not specified
  • Inductance: Not specified
  • Impedance: Not specified
  • Barrels: Not specified
  • Class Rating: Not specified
  • Diameter: Not specified
  • Velocity: Not specified
  • Clip Center: Not specified
  • Clas: Not specified
  • Mounting: I-Line Plug-In
  • Hz: Not specified
  • Coil Material: Not specified
  • Horse Power: Not specified
  • Aux Contacts: Not specified
  • CPT: Not specified
  • Full Load Amps: Not specified
  • Dist Voltage: Not specified
  • Bucket Size: Not specified
  • Bucket Style: Not specified
  • Bucket Type: Not specified
  • Full Load Amp Maximum: Not specified
  • Full Load Amp Minimum: Not specified
  • Enclosure: Not specified
  • Relay Style: Not specified
  • Coil Voltage Minimum: Not specified
  • Wire: Not specified
  • Amperage Maximum: 175A
  • Amperage Minimum: Not specified
  • Nema Rating: Not specified
  • Switch Style: Not specified
  • Wire Size: Not specified
  • Certification: Not specified
  • Circuit Breaker Mounting Style: I-Line Plug-In
  • Terminal Connection: I-Line Style Plug-In
  • Frequency Rating: Not specified
  • Phase Connection: 3-Phase
  • Standards: Not specified
  • Compatible Frames: Not specified
  • Installation Type: Plug-In
  • Item QTY: 1
  • Nema Starter Size: Not specified
  • Breaker Frame: Not specified
  • Current Rating: 175A
  • Reverse Standoff Voltage: Not specified
  • Watts: Not specified
  • Peak Pulse Current: Not specified
  • Breakdown Voltage (MIN VBR@IT ) (V): Not specified
  • Breakdown Voltage (VBR@IT) (V): Not specified
  • Polarity: Not specified
  • Operating Temperature Maximum Celsius: Not specified
  • Max Clamp Voltage: Not specified
  • On-State Current: Not specified


Product Identification
  • UPC: Not specified
  • GTIN: Not specified